339  
CDUS43 KLOT 230636  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT SUN APR 23 2017  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 22 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 328 PM 91 1980 64 1 64  
MINIMUM 38 518 AM 23 1986 41 -3 43  
AVERAGE 52 52 0 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1999 0.11 -0.11 0.00  
MONTH TO DATE 4.11 2.44 1.67 1.77  
SINCE MAR 1 6.90 4.76 2.14 5.78  
SINCE JAN 1 10.93 7.54 3.39 7.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 1984 0.0 0.0 0.0  
2001  
MONTH TO DATE T 0.8 -0.8 0.4  
SINCE MAR 1 5.1 5.6 -0.5 2.8  
SINCE JUL 1 22.1 36.6 -14.5 24.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 11  
MONTH TO DATE 253 381 -128 373  
SINCE MAR 1 1055 1243 -188 1052  
SINCE JUL 1 5129 6245 -1116 5238  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 7 0 7 2  
SINCE MAR 1 7 0 7 2  
SINCE JAN 1 7 0 7 2    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 500 AM  
LOWEST 25 500 PM  
AVERAGE 48  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 86 1925  
MINIMUM TEMPERATURE (F) 41 22 1927  
1910  
 
 
SUNRISE AND SUNSET  
APRIL 23 2017.........SUNRISE 603 AM CDT SUNSET 747 PM CDT  
APRIL 24 2017.........SUNRISE 601 AM CDT SUNSET 748 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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